<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像 -->
      <div class="avtar_box"><img src="../assets/logo.png" alt="" /></div>
      <!-- 登录 -->
      <el-form
        ref="loginFormRef"
        :rules="loginFormRules"
        label-width="0px"
        class="login_form"
        :model="loginForm"
      >
        <!-- 用户名 -->
        <el-form-item prop="username"
          ><el-input
            prefix-icon="el-icon-user-solid"
            v-model="loginForm.username"
          ></el-input
        ></el-form-item>
        <!-- 密码 -->
        <el-form-item prop="password"
          ><el-input
            type="password"
            prefix-icon="el-icon-platform-eleme"
            v-model="loginForm.password"
          ></el-input
        ></el-form-item>
        <!-- 按钮 -->
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
      loginForm: {
        username: "",
        password: "",
      },

      loginFormRules: {
        // 用户名
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          { min: 3, max: 10, message: "长度在3到10个字符", trigger: "blur" },
        ],
        //密码
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 15, message: "长度在6到15个字符", trigger: "blur" },
        ],
      },
    };
  },
  methods: {
    // 重置
    resetLoginForm() {
      this.$refs.loginFormRef.resetFields();
    },
    login() {
      this.$refs.loginFormRef.validate(async (valid) => {
        if (!valid) return;
        const { data: res } = await this.$http.post("login", this.loginForm);
        if (res.meta.status !== 200) return this.$message.error("登录失败！");
        this.$message.success("登录成功！");
        window.sessionStorage.setItem("token", res.data.token);
        this.$router.push("/home");
      });
    },
  },
};
</script>
<style scoped>
.login_container {
  background-color: #000000;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: white;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}
.avtar_box {
  width: 130px;
  height: 130px;
  border: 1px solid #eee;
  border-radius: 50%;
  padding: 10px;
  box-shadow: 0 0 10px #ddd;
  position: absolute;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: #fff;
}
.avtar_box img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #eee;
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
</style>
